linux-kernel - Applied "regulator: rk808: add the description about dvs gpio for rk808" to the regulator tree

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Date:	Mon, 20 Jul 2015 18:52:48 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Chris Zhong <zyw@...k-chips.com>, Mark Brown <broonie@...nel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Applied "regulator: rk808: add the description about dvs gpio for rk808" to the regulator tree

The patch

   regulator: rk808: add the description about dvs gpio for rk808

has been applied to the regulator tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 0ec5f8bd9920fc1a7d0b0d2d4876ea80665a70fd Mon Sep 17 00:00:00 2001
From: Chris Zhong <zyw@...k-chips.com>
Date: Mon, 20 Jul 2015 17:23:52 +0800
Subject: [PATCH] regulator: rk808: add the description about dvs gpio for
 rk808

add the description about dvs1, dvs2, and add the example.

Signed-off-by: Chris Zhong <zyw@...k-chips.com>
Reviewed-by: Doug Anderson <dianders@...omium.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 Documentation/devicetree/bindings/mfd/rk808.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 9e6e2592e5c8..4ca6aab4273a 100644
--- a/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -24,6 +24,10 @@ Optional properties:
 - vcc10-supply: The input supply for LDO_REG6
 - vcc11-supply: The input supply for LDO_REG8
 - vcc12-supply: The input supply for SWITCH_REG2
+- dvs-gpios:  buck1/2 can be controlled by gpio dvs, this is GPIO specifiers
+  for 2 host gpio's used for dvs. The format of the gpio specifier depends in
+  the gpio controller. If DVS GPIOs aren't present, voltage changes will happen
+  very quickly with no slow ramp time.
 
 Regulators: All the regulators of RK808 to be instantiated shall be
 listed in a child node named 'regulators'. Each regulator is represented
@@ -55,7 +59,9 @@ Example:
 		interrupt-parent = <&gpio0>;
 		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
-		pinctrl-0 = <&pmic_int>;
+		pinctrl-0 = <&pmic_int &dvs_1 &dvs_2>;
+		dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>,
+			    <&gpio7 15 GPIO_ACTIVE_HIGH>;
 		reg = <0x1b>;
 		rockchip,system-power-controller;
 		wakeup-source;
-- 
2.1.4

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